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                [Poi1999]地图                </h1>
                <p>时间限制：1s&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  空间限制：128MB</p>			</div>
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                                <h3>题目描述</h3><p><div align="center"><span style="font-size: medium"><b>&nbsp;</b></span></div>
<div><span style="font-size: medium">一个人口统计办公室要绘制一张地图。由于技术的原因只能使用少量的颜色。两个有相同或相近人口的区域在地图应用相同的颜色。例如一种颜色<i>k</i>，则<b>A</b>(<i>k</i>) 是相应的数，则有：</span></div>
<ul type="disc">
    <li><span style="font-size: medium">在用颜色k的区域中至少有一半的区域的人口不大于<b>A</b>(<i>k</i>)</span></li>
    <li><span style="font-size: medium">在用颜色k的区域中至少有一半的区域的人口不小于<b>A</b>(<i>k</i>)</span></li>
</ul>
<div><span style="font-size: medium"><b>区域颜色误差</b>是该区域的人口与<b>A</b>(<i>k</i>)差的绝对值。<b>累计误差</b>是所有区域颜色误差的总和。我们要求出一种最佳的染色方案（累计误差最小）。</span></div>
<div style="margin: auto 0cm"><span style="font-size: medium"><b>任务</b></span></div>
<div><span style="font-size: medium">写一个程序：</span></div>
<ul type="disc">
    <li><span style="font-size: medium">读入每个区域的人口数</span></li>
    <li><span style="font-size: medium">计算最小的累计误差</span></li>
    <li><span style="font-size: medium">将结果输出</span></li>
</ul></p><hr/><h3>输入格式</h3><p><div style="margin: auto 0cm">&nbsp;</div>
<div><span style="font-size: medium">第一行有一个整数<i>n</i>，表示区域数，<i>10&lt; n &lt;3000</i>。在第二行中的数<i>m</i>表示颜色数，<i>2 &lt;= m &lt;= 10</i>。在接下来的<i>n</i>中每行有一个非负整数，表示一个区域的人口。人口都不超过<i>2^30</i>。</span></div></p><hr/><h3>输出格式</h3><p><div><span style="font-size: medium">输出一个整数，表示最小的累计误差</span></div></p><hr/><h3>样例输入</h3><pre>11
3
21
14
6
18
10
2
15
12
3
2
2
</pre><hr/><h3>样例输出</h3><pre>15
</pre><hr/><h3>提示</h3><p>没有写明提示</p><hr/><h3>题目来源</h3><p>没有写明来源</p>
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